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Chevrolet 2500 Pickup Problems

Highter Than Nornal Idle Due to Vacuum Leak on Chevrolet 2500 Pickup

Problem Description and Possible Solution

The throttle body gasket may develop a vacuum leak which may result in a higher than normal engine idle. Failed gaskets will require replacement.

(12 people reported this problem)

Chevrolet 2500 Pickup Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Engine affected: Gasoline
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
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Brake problem? Or maybe a faulty head gasket cylinder?
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